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1 /*
2  * Linux Wireless Extensions support
3  *
4  * Copyright (C) 1999-2017, Broadcom Corporation
5  *
6  *      Unless you and Broadcom execute a separate written software license
7  * agreement governing use of this software, this software is licensed to you
8  * under the terms of the GNU General Public License version 2 (the "GPL"),
9  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
10  * following added to such license:
11  *
12  *      As a special exception, the copyright holders of this software give you
13  * permission to link this software with independent modules, and to copy and
14  * distribute the resulting executable under terms of your choice, provided that
15  * you also meet, for each linked independent module, the terms and conditions
16  * of the license of that module.  An independent module is a module which is
17  * not derived from this software.  The special exception does not apply to any
18  * modifications of the software.
19  *
20  *      Notwithstanding the above, under no circumstances may you combine this
21  * software in any way with any other Broadcom software provided under a license
22  * other than the GPL, without Broadcom's express prior written consent.
23  *
24  *
25  * <<Broadcom-WL-IPTag/Open:>>
26  *
27  * $Id: wl_iw.h 514727 2014-11-12 03:02:48Z $
28  */
29 
30 #ifndef _wl_iw_h_
31 #define _wl_iw_h_
32 
33 #include <linux/wireless.h>
34 
35 #include <typedefs.h>
36 #include <ethernet.h>
37 #include <wlioctl.h>
38 #include <dngl_stats.h>
39 #include <dhd.h>
40 
41 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0)) &&                         \
42     (LINUX_VERSION_CODE < KERNEL_VERSION(5, 10, 0))
43 #define get_ds() (KERNEL_DS)
44 #endif
45 
46 #define WL_SCAN_PARAMS_SSID_MAX 10
47 #define GET_SSID "SSID="
48 #define GET_CHANNEL "CH="
49 #define GET_NPROBE "NPROBE="
50 #define GET_ACTIVE_ASSOC_DWELL "ACTIVE="
51 #define GET_PASSIVE_ASSOC_DWELL "PASSIVE="
52 #define GET_HOME_DWELL "HOME="
53 #define GET_SCAN_TYPE "TYPE="
54 
55 #define BAND_GET_CMD "GETBAND"
56 #define BAND_SET_CMD "SETBAND"
57 #define DTIM_SKIP_GET_CMD "DTIMSKIPGET"
58 #define DTIM_SKIP_SET_CMD "DTIMSKIPSET"
59 #define SETSUSPEND_CMD "SETSUSPENDOPT"
60 #define PNOSSIDCLR_SET_CMD "PNOSSIDCLR"
61 /* Lin - Is the extra space needed? */
62 #define PNOSETUP_SET_CMD "PNOSETUP " /* TLV command has extra end space */
63 #define PNOENABLE_SET_CMD "PNOFORCE"
64 #define PNODEBUG_SET_CMD "PNODEBUG"
65 #define TXPOWER_SET_CMD "TXPOWER"
66 
67 #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
68 #define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
69 
70 /* Structure to keep global parameters */
71 typedef struct wl_iw_extra_params {
72     int target_channel; /* target channel */
73 } wl_iw_extra_params_t;
74 
75 /* ============================================== */
76 /* Defines from wlc_pub.h */
77 #define WL_IW_RSSI_MINVAL -200   /* Low value, e.g. for forcing roam */
78 #define WL_IW_RSSI_NO_SIGNAL -91 /* NDIS RSSI link quality cutoffs */
79 #define WL_IW_RSSI_VERY_LOW -80  /* Very low quality cutoffs */
80 #define WL_IW_RSSI_LOW -70       /* Low quality cutoffs */
81 #define WL_IW_RSSI_GOOD -68      /* Good quality cutoffs */
82 #define WL_IW_RSSI_VERY_GOOD -58 /* Very good quality cutoffs */
83 #define WL_IW_RSSI_EXCELLENT -57 /* Excellent quality cutoffs */
84 #define WL_IW_RSSI_INVALID 0     /* invalid RSSI value */
85 #define MAX_WX_STRING 80
86 #define SSID_FMT_BUF_LEN ((4 * 32) + 1)
87 #define isprint(c) bcm_isprint(c)
88 #define WL_IW_SET_ACTIVE_SCAN (SIOCIWFIRSTPRIV + 1)
89 #define WL_IW_GET_RSSI (SIOCIWFIRSTPRIV + 3)
90 #define WL_IW_SET_PASSIVE_SCAN (SIOCIWFIRSTPRIV + 5)
91 #define WL_IW_GET_LINK_SPEED (SIOCIWFIRSTPRIV + 7)
92 #define WL_IW_GET_CURR_MACADDR (SIOCIWFIRSTPRIV + 9)
93 #define WL_IW_SET_STOP (SIOCIWFIRSTPRIV + 11)
94 #define WL_IW_SET_START (SIOCIWFIRSTPRIV + 13)
95 
96 #define G_SCAN_RESULTS 8 * 1024
97 #define WE_ADD_EVENT_FIX 0x80
98 #define G_WLAN_SET_ON 0
99 #define G_WLAN_SET_OFF 1
100 
101 typedef struct wl_iw {
102     char nickname[IW_ESSID_MAX_SIZE];
103 
104     struct iw_statistics wstats;
105 
106     int spy_num;
107     uint32 pwsec;         /* pairwise wsec setting */
108     uint32 gwsec;         /* group wsec setting  */
109     bool privacy_invoked; /* IW_AUTH_PRIVACY_INVOKED setting */
110     struct ether_addr spy_addr[IW_MAX_SPY];
111     struct iw_quality spy_qual[IW_MAX_SPY];
112     void *wlinfo;
113 } wl_iw_t;
114 
115 struct wl_ctrl {
116     timer_list_compat_t *timer;
117     struct net_device *dev;
118     long sysioc_pid;
119     struct semaphore sysioc_sem;
120     struct completion sysioc_exited;
121 };
122 
123 #if WIRELESS_EXT > 12
124 #include <net/iw_handler.h>
125 extern const struct iw_handler_def wl_iw_handler_def;
126 #endif /* WIRELESS_EXT > 12 */
127 
128 extern int wl_iw_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
129 extern int wl_iw_get_wireless_stats(struct net_device *dev,
130                                     struct iw_statistics *wstats);
131 int wl_iw_send_priv_event(struct net_device *dev, char *flag);
132 #ifdef WL_ESCAN
133 int wl_iw_handle_scanresults_ies(char **event_p, char *end,
134                                  struct iw_request_info *info,
135                                  wl_bss_info_t *bi);
136 #endif
137 int wl_iw_attach(struct net_device *dev);
138 void wl_iw_detach(struct net_device *dev);
139 s32 wl_iw_autochannel(struct net_device *dev, char *command, int total_len);
140 
141 /* message levels */
142 #define WL_ERROR_LEVEL (1 << 0)
143 #define WL_TRACE_LEVEL (1 << 1)
144 #define WL_INFO_LEVEL (1 << 2)
145 #define WL_SCAN_LEVEL (1 << 3)
146 #define WL_WSEC_LEVEL (1 << 4)
147 
148 #define CSCAN_COMMAND "CSCAN "
149 #define CSCAN_TLV_PREFIX 'S'
150 #define CSCAN_TLV_VERSION 1
151 #define CSCAN_TLV_SUBVERSION 0
152 #define CSCAN_TLV_TYPE_SSID_IE 'S'
153 #define CSCAN_TLV_TYPE_CHANNEL_IE 'C'
154 #define CSCAN_TLV_TYPE_NPROBE_IE 'N'
155 #define CSCAN_TLV_TYPE_ACTIVE_IE 'A'
156 #define CSCAN_TLV_TYPE_PASSIVE_IE 'P'
157 #define CSCAN_TLV_TYPE_HOME_IE 'H'
158 #define CSCAN_TLV_TYPE_STYPE_IE 'T'
159 
160 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
161 #define IWE_STREAM_ADD_EVENT(info, stream, ends, iwe, extra)                   \
162     iwe_stream_add_event(info, stream, ends, iwe, extra)
163 #define IWE_STREAM_ADD_VALUE(info, event, value, ends, iwe, event_len)         \
164     iwe_stream_add_value(info, event, value, ends, iwe, event_len)
165 #define IWE_STREAM_ADD_POINT(info, stream, ends, iwe, extra)                   \
166     iwe_stream_add_point(info, stream, ends, iwe, extra)
167 #else
168 #define IWE_STREAM_ADD_EVENT(info, stream, ends, iwe, extra)                   \
169     iwe_stream_add_event(stream, ends, iwe, extra)
170 #define IWE_STREAM_ADD_VALUE(info, event, value, ends, iwe, event_len)         \
171     iwe_stream_add_value(event, value, ends, iwe, event_len)
172 #define IWE_STREAM_ADD_POINT(info, stream, ends, iwe, extra)                   \
173     iwe_stream_add_point(stream, ends, iwe, extra)
174 #endif
175 
176 #endif /* _wl_iw_h_ */
177